21346175956

素因数分解:

$2^2\times 7^2\times {\mathrm{113}}^1\times {\mathrm{379}}^1\times {\mathrm{2543}}^1$

素因数の和:3053

約数の個数: 72

約数和(自身を含む): 43972225920

約数和(自身を除く): 22626049964

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 113, 196, 226, 379, 452, 758, 791, 1516, 1582, 2543, 2653, 3164, 5086, 5306, 5537, 10172, 10612, 11074, 17801, 18571, 22148, 35602, 37142, 42827, 71204, 74284, 85654, 124607, 171308, 249214, 287359, 299789, 498428, 574718, 599578, 963797, 1149436, 1199156, 1927594, 2011513, 2098523, 3855188, 4023026, 4197046, 6746579, 8046052, 8394092, 13493158, 14080591, 26986316, 28161182, 47226053, 56322364, 94452106, 108909061, 188904212, 217818122, 435636244, 762363427, 1524726854, 3049453708, 5336543989, 10673087978, 21346175956]

約数ペア:

[(1, 21346175956), (2, 10673087978), (4, 5336543989), (7, 3049453708), (14, 1524726854), (28, 762363427), (49, 435636244), (98, 217818122), (113, 188904212), (196, 108909061), (226, 94452106), (379, 56322364), (452, 47226053), (758, 28161182), (791, 26986316), (1516, 14080591), (1582, 13493158), (2543, 8394092), (2653, 8046052), (3164, 6746579), (5086, 4197046), (5306, 4023026), (5537, 3855188), (10172, 2098523), (10612, 2011513), (11074, 1927594), (17801, 1199156), (18571, 1149436), (22148, 963797), (35602, 599578), (37142, 574718), (42827, 498428), (71204, 299789), (74284, 287359), (85654, 249214), (124607, 171308)]